Motor home rear panel unit exterior surface



FIG. 1 is a front perspective view of the motor home rear panel unit exterior surface, illustrating my new design;

FIG. 2 is a left side elevation view thereof, with the right side being substantially a mirror image;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a front elevation view thereof. 

The ornamental design for a motor home rear panel unit exterior surface, as shown and described. 